style.css

/* Shopify Chat Widget */
.shopify-chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 350px;
    max-height: 500px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.shopify-chat-header {
    background: #5c6ac4;
    color: white;
    padding: 12px 16px;
    border-radius: 12px 12px 0 0;
    display: flex;
    align-items: center;
}

.shopify-chat-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

.shopify-chat-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    max-height: 350px;
}

.shopify-chat-message {
    margin-bottom: 12px;
    max-width: 80%;
    padding: 8px 12px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.4;
}

.shopify-chat-message.customer {
    background: #f3f4f6;
    margin-right: auto;
}

.shopify-chat-message.admin {
    background: #5c6ac4;
    color: white;
    margin-left: auto;
}

.shopify-chat-input {
    padding: 12px;
    border-top: 1px solid #e5e7eb;
    display: flex;
}

.shopify-chat-input input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    outline: none;
}

.shopify-chat-input button {
    background: #5c6ac4;
    color: white;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    margin-left: 8px;
    cursor: pointer;
}

.shopify-chat-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #5c6ac4;
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    cursor: pointer;
    z-index: 9998;
}